arch/x86/boot/ctype.h

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