gint/include/ctype.h

27 lines
941 B
C

#ifndef _CTYPE_H
#define _CTYPE_H 1
// Character definition macros.
#define isalnum(c) (isdigit(c) || isalpha(c))
#define isalpha(c) (islower(c) || isupper(c))
#define iscntrl(c) ((c) <= 0x1f || (c) == 0x7f)
#define isdigit(c) ((c) >= '0' && (c) <= '9')
#define isgraph(c) ((c) > ' ' && (c) < 0x7f)
#define islower(c) ((c) >= 'a' && (c) <= 'z')
#define isprint(c) ((c) >= ' ' && (c) < 0x7f)
#define ispunct(c) (((c) >= '!' && (c) <= '/') || \
((c) >= ':' && (c) <= '@') || \
((c) >= '[' && (c) <= '`') || \
((c) >= '{' && (c) <= '~'))
#define isspace(c) (((c) >= '\t' && (c) <= '\r') || (c) == ' ')
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
#define isxdigit(c) (((c) >= '0' && (c) <= '9') || \
((c) >= 'A' && (c) <= 'F') || \
((c) >= 'a' && (c) <= 'f'))
// Character manipulation macros.
#define tolower(c) (isupper(c) ? (c) | 32 : (c))
#define toupper(c) (islower(c) ? (c) & ~32 : (c))
#endif // _CTYPE_H