#include <ctype.h>
int
isphonogram(int c);
The isphonogram() function tests for a phonographic character.
The isphonogram() function returns zero if the character tests false and
returns non-zero if the character tests true.
ctype(3), isideogram(3), iswphonogram(3), isalnum_l
The isphonogram() function appeared in 4.4BSD.
BSD March 30, 2004 BSD