34#ifndef _DARWIN_C_SOURCE
35#define _DARWIN_C_SOURCE 1
39#ifdef HAVE_SYS_TYPES_H
45#if defined(STDC_HEADERS)
50# if defined(HAVE_STDLIB_H)
52# elif defined(HAVE_MALLOC_H)
55# if defined(HAVE_STDDEF_H)
58# if defined(HAVE_STDARG_H)
63# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
74#if defined(HAVE_INTTYPES_H)
76#elif defined(HAVE_STDINT_H)
83# if defined(__WINRT__)
88# define _USE_MATH_DEFINES
95#if defined(HAVE_ALLOCA) && !defined(alloca)
96# if defined(HAVE_ALLOCA_H)
98# elif defined(__GNUC__)
99# define alloca __builtin_alloca
100# elif defined(_MSC_VER)
102# define alloca _alloca
103# elif defined(__WATCOMC__)
105# elif defined(__BORLANDC__)
107# elif defined(__DMC__)
109# elif defined(__AIX__)
111# elif defined(__MRC__)
112void *alloca(
unsigned);
119# define SDL_SIZE_MAX SIZE_MAX
121# define SDL_SIZE_MAX ((size_t) -1)
130#define _SDL_HAS_BUILTIN(x) __has_builtin(x)
132#define _SDL_HAS_BUILTIN(x) 0
138#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
139#define SDL_TABLESIZE(table) SDL_arraysize(table)
146#define SDL_STRINGIFY_ARG(arg) #arg
156#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
157#define SDL_static_cast(type, expression) static_cast<type>(expression)
158#define SDL_const_cast(type, expression) const_cast<type>(expression)
160#define SDL_reinterpret_cast(type, expression) ((type)(expression))
161#define SDL_static_cast(type, expression) ((type)(expression))
162#define SDL_const_cast(type, expression) ((type)(expression))
167#define SDL_FOURCC(A, B, C, D) \
168 ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
169 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
170 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
171 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
194#define SDL_MAX_SINT8 ((Sint8)0x7F)
195#define SDL_MIN_SINT8 ((Sint8)(~0x7F))
200#define SDL_MAX_UINT8 ((Uint8)0xFF)
201#define SDL_MIN_UINT8 ((Uint8)0x00)
206#define SDL_MAX_SINT16 ((Sint16)0x7FFF)
207#define SDL_MIN_SINT16 ((Sint16)(~0x7FFF))
212#define SDL_MAX_UINT16 ((Uint16)0xFFFF)
213#define SDL_MIN_UINT16 ((Uint16)0x0000)
218#define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF)
219#define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF))
224#define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu)
225#define SDL_MIN_UINT32 ((Uint32)0x00000000)
231#define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll)
232#define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll))
237#define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull)
238#define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull))
249#define SDL_FLT_EPSILON FLT_EPSILON
251#define SDL_FLT_EPSILON 1.1920928955078125e-07F
261#define SDL_PRIs64 PRIs64
262#elif defined(__WIN32__) || defined(__GDK__)
263#define SDL_PRIs64 "I64d"
264#elif defined(__LINUX__) && defined(__LP64__)
265#define SDL_PRIs64 "ld"
267#define SDL_PRIs64 "lld"
272#define SDL_PRIu64 PRIu64
273#elif defined(__WIN32__) || defined(__GDK__)
274#define SDL_PRIu64 "I64u"
275#elif defined(__LINUX__) && defined(__LP64__)
276#define SDL_PRIu64 "lu"
278#define SDL_PRIu64 "llu"
283#define SDL_PRIx64 PRIx64
284#elif defined(__WIN32__) || defined(__GDK__)
285#define SDL_PRIx64 "I64x"
286#elif defined(__LINUX__) && defined(__LP64__)
287#define SDL_PRIx64 "lx"
289#define SDL_PRIx64 "llx"
294#define SDL_PRIX64 PRIX64
295#elif defined(__WIN32__) || defined(__GDK__)
296#define SDL_PRIX64 "I64X"
297#elif defined(__LINUX__) && defined(__LP64__)
298#define SDL_PRIX64 "lX"
300#define SDL_PRIX64 "llX"
305#define SDL_PRIs32 PRId32
307#define SDL_PRIs32 "d"
312#define SDL_PRIu32 PRIu32
314#define SDL_PRIu32 "u"
319#define SDL_PRIx32 PRIx32
321#define SDL_PRIx32 "x"
326#define SDL_PRIX32 PRIX32
328#define SDL_PRIX32 "X"
333#ifdef SDL_DISABLE_ANALYZE_MACROS
334#define SDL_IN_BYTECAP(x)
335#define SDL_INOUT_Z_CAP(x)
336#define SDL_OUT_Z_CAP(x)
337#define SDL_OUT_CAP(x)
338#define SDL_OUT_BYTECAP(x)
339#define SDL_OUT_Z_BYTECAP(x)
340#define SDL_PRINTF_FORMAT_STRING
341#define SDL_SCANF_FORMAT_STRING
342#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
343#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
345#if defined(_MSC_VER) && (_MSC_VER >= 1600)
348#define SDL_IN_BYTECAP(x) _In_bytecount_(x)
349#define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
350#define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
351#define SDL_OUT_CAP(x) _Out_cap_(x)
352#define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
353#define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
355#define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
356#define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
358#define SDL_IN_BYTECAP(x)
359#define SDL_INOUT_Z_CAP(x)
360#define SDL_OUT_Z_CAP(x)
361#define SDL_OUT_CAP(x)
362#define SDL_OUT_BYTECAP(x)
363#define SDL_OUT_Z_BYTECAP(x)
364#define SDL_PRINTF_FORMAT_STRING
365#define SDL_SCANF_FORMAT_STRING
368#define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
369#define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
371#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
372#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
376#ifndef SDL_COMPILE_TIME_ASSERT
377#if defined(__cplusplus)
378#if (__cplusplus >= 201103L)
379#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
381#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
382#define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
386#ifndef SDL_COMPILE_TIME_ASSERT
388#define SDL_COMPILE_TIME_ASSERT(name, x) \
389 typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
393#ifndef DOXYGEN_SHOULD_IGNORE_THIS
412#ifndef DOXYGEN_SHOULD_IGNORE_THIS
413#if !defined(__ANDROID__) && !defined(__VITA__)
432#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
433#define SDL_stack_free(data)
435#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
436#define SDL_stack_free(data) SDL_free(data)
440extern DECLSPEC
void *SDLCALL
SDL_calloc(
size_t nmemb,
size_t size);
487extern DECLSPEC
int SDLCALL
SDL_setenv(
const char *name,
const char *value,
int overwrite);
489extern DECLSPEC
void SDLCALL
SDL_qsort(
void *base,
size_t nmemb,
size_t size,
int (SDLCALL *compare) (
const void *,
const void *));
490extern DECLSPEC
void * SDLCALL
SDL_bsearch(
const void *key,
const void *base,
size_t nmemb,
size_t size,
int (SDLCALL *compare) (
const void *,
const void *));
495#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
496#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
497#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
519#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
520#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
521#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
523#define SDL_copyp(dst, src) \
524 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
525 SDL_memcpy((dst), (src), sizeof (*(src)))
532 memset_pattern4(dst, &val, dwords * 4);
533#elif defined(__GNUC__) && defined(__i386__)
535 __asm__ __volatile__ (
538 :
"=&D" (u0),
"=&a" (u1),
"=&c" (u2)
543 size_t _n = (dwords + 3) / 4;
549 switch (dwords % 4) {
553 case 1: *_p++ = _val;
562extern DECLSPEC
int SDLCALL
SDL_memcmp(
const void *s1,
const void *s2,
size_t len);
564extern DECLSPEC
size_t SDLCALL
SDL_wcslen(
const wchar_t *wstr);
567extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsdup(
const wchar_t *wstr);
568extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsstr(
const wchar_t *haystack,
const wchar_t *needle);
570extern DECLSPEC
int SDLCALL
SDL_wcscmp(
const wchar_t *str1,
const wchar_t *str2);
571extern DECLSPEC
int SDLCALL
SDL_wcsncmp(
const wchar_t *str1,
const wchar_t *str2,
size_t maxlen);
572extern DECLSPEC
int SDLCALL
SDL_wcscasecmp(
const wchar_t *str1,
const wchar_t *str2);
573extern DECLSPEC
int SDLCALL
SDL_wcsncasecmp(
const wchar_t *str1,
const wchar_t *str2,
size_t len);
583extern DECLSPEC
char *SDLCALL
SDL_strchr(
const char *str,
int c);
585extern DECLSPEC
char *SDLCALL
SDL_strstr(
const char *haystack,
const char *needle);
586extern DECLSPEC
char *SDLCALL
SDL_strtokr(
char *s1,
const char *s2,
char **saveptr);
590extern DECLSPEC
char *SDLCALL
SDL_itoa(
int value,
char *str,
int radix);
591extern DECLSPEC
char *SDLCALL
SDL_uitoa(
unsigned int value,
char *str,
int radix);
592extern DECLSPEC
char *SDLCALL
SDL_ltoa(
long value,
char *str,
int radix);
593extern DECLSPEC
char *SDLCALL
SDL_ultoa(
unsigned long value,
char *str,
int radix);
597extern DECLSPEC
int SDLCALL
SDL_atoi(
const char *str);
598extern DECLSPEC
double SDLCALL
SDL_atof(
const char *str);
599extern DECLSPEC
long SDLCALL
SDL_strtol(
const char *str,
char **endp,
int base);
600extern DECLSPEC
unsigned long SDLCALL
SDL_strtoul(
const char *str,
char **endp,
int base);
603extern DECLSPEC
double SDLCALL
SDL_strtod(
const char *str,
char **endp);
605extern DECLSPEC
int SDLCALL
SDL_strcmp(
const char *str1,
const char *str2);
606extern DECLSPEC
int SDLCALL
SDL_strncmp(
const char *str1,
const char *str2,
size_t maxlen);
608extern DECLSPEC
int SDLCALL
SDL_strncasecmp(
const char *str1,
const char *str2,
size_t len);
611extern DECLSPEC
int SDLCALL
SDL_vsscanf(const
char *text, const
char *fmt, va_list ap);
615extern DECLSPEC
int SDLCALL
SDL_vasprintf(
char **strp, const
char *fmt, va_list ap);
619#define M_PI 3.14159265358979323846264338327950288
643extern DECLSPEC
double SDLCALL
SDL_atan2(
double y,
double x);
649extern DECLSPEC
double SDLCALL
SDL_cos(
double x);
651extern DECLSPEC
double SDLCALL
SDL_exp(
double x);
659extern DECLSPEC
double SDLCALL
SDL_fmod(
double x,
double y);
660extern DECLSPEC
float SDLCALL
SDL_fmodf(
float x,
float y);
661extern DECLSPEC
double SDLCALL
SDL_log(
double x);
665extern DECLSPEC
double SDLCALL
SDL_pow(
double x,
double y);
666extern DECLSPEC
float SDLCALL
SDL_powf(
float x,
float y);
673extern DECLSPEC
double SDLCALL
SDL_sin(
double x);
677extern DECLSPEC
double SDLCALL
SDL_tan(
double x);
681#define SDL_ICONV_ERROR (size_t)-1
682#define SDL_ICONV_E2BIG (size_t)-2
683#define SDL_ICONV_EILSEQ (size_t)-3
684#define SDL_ICONV_EINVAL (size_t)-4
689 const char *fromcode);
692 size_t * inbytesleft,
char **outbuf,
693 size_t * outbytesleft);
702 const char *fromcode,
705#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
706#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
707#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
708#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
712#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
716size_t strlcpy(
char* dst,
const char* src,
size_t size);
721size_t strlcat(
char* dst,
const char* src,
size_t size);
724#define SDL_malloc malloc
725#define SDL_calloc calloc
726#define SDL_realloc realloc
728#define SDL_memset memset
729#define SDL_memcpy memcpy
730#define SDL_memmove memmove
731#define SDL_memcmp memcmp
732#define SDL_strlcpy strlcpy
733#define SDL_strlcat strlcat
734#define SDL_strlen strlen
735#define SDL_wcslen wcslen
736#define SDL_wcslcpy wcslcpy
737#define SDL_wcslcat wcslcat
738#define SDL_strdup strdup
739#define SDL_wcsdup wcsdup
740#define SDL_strchr strchr
741#define SDL_strrchr strrchr
742#define SDL_strstr strstr
743#define SDL_wcsstr wcsstr
744#define SDL_strtokr strtok_r
745#define SDL_strcmp strcmp
746#define SDL_wcscmp wcscmp
747#define SDL_strncmp strncmp
748#define SDL_wcsncmp wcsncmp
749#define SDL_strcasecmp strcasecmp
750#define SDL_strncasecmp strncasecmp
751#define SDL_sscanf sscanf
752#define SDL_vsscanf vsscanf
753#define SDL_snprintf snprintf
754#define SDL_vsnprintf vsnprintf
779#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
787 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
789#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
809#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
816 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
818#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
unsigned long long uint64_t
wchar_t * SDL_wcsdup(const wchar_t *wstr)
double SDL_sqrt(double x)
int SDL_atoi(const char *str)
SDL_iconv_t SDL_iconv_open(const char *tocode, const char *fromcode)
SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
char * SDL_strlwr(char *str)
void * SDL_realloc(void *mem, size_t size)
size_t SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
char * SDL_ltoa(long value, char *str, int radix)
void SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func, SDL_calloc_func *calloc_func, SDL_realloc_func *realloc_func, SDL_free_func *free_func)
void *(* SDL_malloc_func)(size_t size)
#define SDL_OUT_BYTECAP(x)
char * SDL_strrchr(const char *str, int c)
int SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen)
int SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt,...) SDL_SCANF_VARARG_FUNC(2)
void SDL_qsort(void *base, size_t nmemb, size_t size, int(*compare)(const void *, const void *))
int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap)
struct _SDL_iconv_t * SDL_iconv_t
int SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len)
char * SDL_itoa(int value, char *str, int radix)
char * SDL_strdup(const char *str)
float SDL_copysignf(float x, float y)
char * SDL_strupr(char *str)
int SDL_SetMemoryFunctions(SDL_malloc_func malloc_func, SDL_calloc_func calloc_func, SDL_realloc_func realloc_func, SDL_free_func free_func)
size_t SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
SDL_FORCE_INLINE int SDL_size_mul_overflow(size_t a, size_t b, size_t *ret)
int SDL_strncmp(const char *str1, const char *str2, size_t maxlen)
char * SDL_strchr(const char *str, int c)
#define SDL_IN_BYTECAP(x)
void * SDL_malloc(size_t size)
char * SDL_uitoa(unsigned int value, char *str, int radix)
double SDL_round(double x)
long SDL_lround(double x)
int SDL_iconv_close(SDL_iconv_t cd)
float SDL_scalbnf(float x, int n)
void * SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
double SDL_pow(double x, double y)
size_t SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes)
double SDL_asin(double x)
double SDL_acos(double x)
wchar_t * SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle)
double SDL_ceil(double x)
size_t SDL_utf8strnlen(const char *str, size_t bytes)
void * SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len)
int SDL_strcasecmp(const char *str1, const char *str2)
#define SDL_SCANF_FORMAT_STRING
char * SDL_strstr(const char *haystack, const char *needle)
int SDL_GetNumAllocations(void)
#define SDL_static_cast(type, expression)
size_t SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
double SDL_atan(double x)
size_t SDL_wcslen(const wchar_t *wstr)
int SDL_setenv(const char *name, const char *value, int overwrite)
void * SDL_calloc(size_t nmemb, size_t size)
size_t SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
#define SDL_INOUT_Z_CAP(x)
double SDL_scalbn(double x, int n)
char * SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft)
int SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2)
char * SDL_getenv(const char *name)
double SDL_fmod(double x, double y)
char * SDL_lltoa(Sint64 value, char *str, int radix)
double SDL_fabs(double x)
Sint64 SDL_strtoll(const char *str, char **endp, int base)
float SDL_truncf(float x)
double SDL_log10(double x)
char * SDL_strrev(char *str)
double SDL_floor(double x)
int SDL_wcscmp(const wchar_t *str1, const wchar_t *str2)
long SDL_strtol(const char *str, char **endp, int base)
Uint32 SDL_crc32(Uint32 crc, const void *data, size_t len)
float SDL_log10f(float x)
void * SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
void(* SDL_free_func)(void *mem)
int SDL_memcmp(const void *s1, const void *s2, size_t len)
char * SDL_ulltoa(Uint64 value, char *str, int radix)
float SDL_roundf(float x)
double SDL_strtod(const char *str, char **endp)
long SDL_lroundf(float x)
char * SDL_ultoa(unsigned long value, char *str, int radix)
double SDL_atof(const char *str)
int SDL_vsscanf(const char *text, const char *fmt, va_list ap)
unsigned long SDL_strtoul(const char *str, char **endp, int base)
float SDL_floorf(float x)
int SDL_strcmp(const char *str1, const char *str2)
SDL_FORCE_INLINE int SDL_size_add_overflow(size_t a, size_t b, size_t *ret)
#define SDL_PRINTF_FORMAT_STRING
float SDL_fmodf(float x, float y)
void SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func, SDL_calloc_func *calloc_func, SDL_realloc_func *realloc_func, SDL_free_func *free_func)
#define SDL_PRINTF_VARARG_FUNC(fmtargnumber)
#define SDL_COMPILE_TIME_ASSERT(name, x)
float SDL_atan2f(float y, float x)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
double SDL_atan2(double y, double x)
SDL_FORCE_INLINE void * SDL_memcpy4(SDL_OUT_BYTECAP(dwords *4) void *dst, SDL_IN_BYTECAP(dwords *4) const void *src, size_t dwords)
float SDL_powf(float x, float y)
size_t SDL_strlen(const char *str)
Uint16 SDL_crc16(Uint16 crc, const void *data, size_t len)
int SDL_snprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt,...) SDL_PRINTF_VARARG_FUNC(3)
void * SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int(*compare)(const void *, const void *))
size_t SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
int SDL_vasprintf(char **strp, const char *fmt, va_list ap)
double SDL_copysign(double x, double y)
void *(* SDL_realloc_func)(void *mem, size_t size)
char * SDL_strtokr(char *s1, const char *s2, char **saveptr)
size_t SDL_utf8strlen(const char *str)
int SDL_strncasecmp(const char *str1, const char *str2, size_t len)
int SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt,...) SDL_PRINTF_VARARG_FUNC(2)
Uint64 SDL_strtoull(const char *str, char **endp, int base)
double SDL_trunc(double x)