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Added feature test macros

This commit is contained in:
Gitea 2020-12-13 04:55:47 -06:00
parent 92b4f1b83a
commit 645963e2b8
1 changed files with 9 additions and 1 deletions
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10
include/ctype.h
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@ -18,6 +18,7 @@ int isupper(int);
int isxdigit(int);
/* POSIX extensions */
#ifdef _POSIX_C_SOURCE
int isalnum_l(int, locale_t);
int isalpha_l(int, locale_t);
int isblank_l(int, locale_t);
@ -30,18 +31,25 @@ int ispunct_l(int, locale_t);
int isspace_l(int, locale_t);
int isupper_l(int, locale_t);
int isxdigit_l(int, locale_t);
#endif
/* C standard stuff */
int toascii(int);
int tolower(int);
int toupper(int);
/* POSIX extensions */
#ifdef _POSIX_C_SOURCE
int tolower_l(int, locale_t);
int toupper_l(int, locale_t);
#endif
#ifdef _XOPEN_SOURCE
/* Obsolete XSI stuff */
int isascii(int);
int toascii(int);
/* Obsolete XSI macros */
#define _toupper(x) toupper(x)
#define _tolower(x) tolower(x)
#endif
#endif