Embedded Artistry libc
C Standard Library Support for Bare-metal Systems
isalpha.c
Go to the documentation of this file.
1 // Pulled from musl libc, locale support removed
2 
3 #include <ctype.h>
4 
5 int isalpha(int c)
6 {
7  return ((unsigned)c | 32) - 'a' < 26;
8 }
isalpha
int isalpha(int c)
Checks if the given character is an alphabetic character.
Definition: isalpha.c:5