#ifndef BOOT_ISDIGIT_H #define BOOT_ISDIGIT_H static inline int isdigit(int ch) { return (ch >= '0') && (ch <= '9'); } static inline int isxdigit(int ch) { if (isdigit(ch)) return true; if ((ch >= 'a') && (ch <= 'f')) return true; return (ch >= 'A') && (ch <= 'F'); } #endif
