ISSPACE (3) | C library functions | Unix Manual Pages | :man ▋
NAME
isspace - white-space character test
CONTENTS
Library Synopsis Description Return Values Compatibility See Also Standards
LIBRARY
SYNOPSIS
int isspace "int c"
DESCRIPTION
The isspace function tests for the white-space characters. For any locale, this includes the following standard characters:
"‘‘\t’’ ‘‘\n’’ ‘‘\v’’ ‘‘\f’’ ‘‘\r’’ ‘‘ ’’"
In the "C" locale isspace successful test is limited to this characters only. For single C char s locales (see multibyte (3)) the value of the argument is representable as an unsigned char or the value of EOF .
RETURN VALUES
The isspace function returns zero if the character tests false and returns non-zero if the character tests true.
COMPATIBILITY
The BSD 4.4 extension of accepting arguments outside of the range of the iswspace function should be used instead.
SEE ALSO
ctype (3),iswspace (3),multibyte (3),ascii (7)
STANDARDS
