arch/x86/boot/ctype.h

   1 #ifndef BOOT_ISDIGIT_H
   2
   3 #define BOOT_ISDIGIT_H
   4
   5 static inline int isdigit(int ch)
   6 {
   7         return (ch >= '0') && (ch <= '9');
   8 }
   9
  10 static inline int isxdigit(int ch)
  11 {
  12         if (isdigit(ch))
  13                 return true;
  14
  15         if ((ch >= 'a') && (ch <= 'f'))
  16                 return true;
  17
  18         return (ch >= 'A') && (ch <= 'F');
  19 }
  20
  21 #endif