Determines whether a character is a white-space character.
Files
lib_ascii.h/lib_ascii.c
Prototypes
Arguments
ch
Character to examine.
Returned Value
DEF_YES,
if character is a white-space character;
DEF_NO,
if character is not a white-space character.
Required Configuration
None.
Notes / Warnings
ISO/IEC 9899:TC2, Section 7.4.1.10.(2) states that “isspace() returns true only for the standard white-space characters”. ISO/IEC 9899:TC2, Section 7.4.1.10.(2) defines “the standard white-space characters” as the “space (' '), form feed ('\f'), new-line ('\n'), carriage return ('\r'), horizontal tab ('\t'), and vertical tab ('\v')”.