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isspecial(3) special character test
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ISSPECIAL(3) MidnightBSD Library Functions Manual ISSPECIAL(3)

isspecial — special character test

Standard C Library (libc, -lc)

#include <ctype.h>

int
isspecial(int c);

The () function tests for a special character.

The isspecial() function returns zero if the character tests false and returns non-zero if the character tests true.

ctype(3), iswspecial(3)

The isspecial() function appeared in 4.4BSD.

March 30, 2004 midnightbsd-3.1