Files
gbdk-2020/gbdk-lib/libc/isalpha.c
2022-02-20 00:56:40 +03:00

8 lines
216 B
C

#include <ctype.h>
#include <stdbool.h>
#include <stdint.h>
bool isalpha(char c) {
return ((((uint8_t)((uint8_t)c - 'a') < ('z' - 'a' + 1))) || ((uint8_t)((uint8_t)c - 'A') < ('Z' - 'A' + 1))) ? true : false;
}