source: trunk/sys/dietlibc/isalnum.c @ 67

Last change on this file since 67 was 1, checked in by alain, 8 years ago

First import

File size: 140 bytes
Line 
1#include <ctype.h>
2
3int isalnum(int ch) {
4  return (unsigned int)((ch | 0x20) - 'a') < 26u  ||
5         (unsigned int)( ch         - '0') < 10u;
6}
Note: See TracBrowser for help on using the repository browser.