Embedded Artistry libc
C Standard Library Support for Bare-metal Systems
isascii.c
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1 // Pulled from musl libc
2 
3 #include <ctype.h>
4 
5 int isascii(int c)
6 {
7  return !(c & ~0x7f);
8 }
isascii
int isascii(int c)
Checks if a given character is a 7-bit US-ASCII character.
Definition: isascii.c:5