#include #include #include "_ctype.h" /** test whether a character is printable **/ int isprint(int c) { unsigned int *map = __get_locale()->lc_ctype.ctattr; ASSERT_REPRESENTABLE(c, 0, UCHAR_MAX, unsigned char, EOF); return c == EOF ? 0 : map[c] & CT_PRINT; } /*** tests whether ARGUMENT(c) is a character in the class CHARACTER_CLASS(print) in the current locale. ***/ /* RETURN(NONZERO, ARGUMENT(c) is a printable character) RETURN(0, ARGUMENT(c) is not a printable character) LC_CTYPE C_LOCALE(`THIS() is true for any printing character including SPACE()') STDC(1) */