src.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
include <stdio.h>
^
In file included from src.c:2:0:
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:340:82: error: unknown type name 'size_t'
_CRTIMP wchar_t* __cdecl __MINGW_NOTHROW _wfullpath (wchar_t*, const wchar_t*, size_t);
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:345:40: error: expected ',' or ';' before 'wcstombs'
_CRTIMP size_t __cdecl __MINGW_NOTHROW wcstombs (char*, const wchar_t*, size_t);
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:348:58: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP int __cdecl __MINGW_NOTHROW mblen (const char*, size_t);
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:349:40: error: expected ',' or ';' before 'mbstowcs'
_CRTIMP size_t __cdecl __MINGW_NOTHROW mbstowcs (wchar_t*, const char*, size_t);
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:350:69: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP int __cdecl __MINGW_NOTHROW mbtowc (wchar_t*, const char*, size_t);
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:357:55: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP void* __cdecl __MINGW_NOTHROW realloc (void*, size_t);
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:369:58: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP void* __cdecl bsearch (const void*, const void*, size_t, size_t,
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:369:66: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP void* __cdecl bsearch (const void*, const void*, size_t, size_t,
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:371:35: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP void __cdecl qsort(void*, size_t, size_t,
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:371:43: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP void __cdecl qsort(void*, size_t, size_t,
^
E:/OpenJudger2/Compilers/mingw/include/stdlib.h:418:70: error: expected declaration specifiers or '...' before 'size_t'
_CRTIMP char* __cdecl __MINGW_NOTHROW _fullpath (char*, const char*, size_t);
^