#ifndef ULIBC_CTYPE_H
#define ULIBC_CTYPE_H

static inline int isdigit(int c) { return c >= '0' && c <= '9'; }
static inline int isspace(int c) { return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f' || c == '\v'; }
static inline int isalpha(int c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); }
static inline int isalnum(int c) { return isalpha(c) || isdigit(c); }
static inline int isupper(int c) { return c >= 'A' && c <= 'Z'; }
static inline int islower(int c) { return c >= 'a' && c <= 'z'; }
static inline int isprint(int c) { return c >= 0x20 && c <= 0x7E; }
static inline int toupper(int c) { return islower(c) ? c - 32 : c; }
static inline int tolower(int c) { return isupper(c) ? c + 32 : c; }
static inline int isxdigit(int c) { return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'); }
static inline int iscntrl(int c) { return (c >= 0 && c < 0x20) || c == 0x7F; }
static inline int isgraph(int c) { return c > 0x20 && c <= 0x7E; }
static inline int ispunct(int c) { return isgraph(c) && !isalnum(c); }
static inline int isascii(int c) { return (unsigned)c <= 0x7F; }
static inline int isblank(int c) { return c == ' ' || c == '\t'; }
static inline int toascii(int c) { return c & 0x7F; }

#endif