Vigenère cipher: Difference between revisions

m
→‎{{header|C}}: isascii fix
m (→‎{{header|C}}: isascii fix)
Line 92:
// for -std=c99
#if !defined(_BSD_SOURCE) && !defined(_SVID_SOURCE) && !defined(_XOPEN_SOURCE)
#define isascii(V) ((V) >= 320 && (V) <= 127 ? 1 : 0)
#endif