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.TH STRLEN 3 libsimple
.SH NAME
STRLEN \- get the length of a string literal
.SH SYNOPSIS
.nf
#include <libsimple.h>
#ifndef STRLEN
# define STRLEN(str) /* implementation omitted */
#endif
.fi
.SH DESCRIPTION
The
.BR STRLEN ()
macro assumes
.I str
is string literal
.RB ( char
array type) and expands the value of
.I strlen(str)
as a constant expression, that is, without
calling
.IR strlen ;
however it is not suitable for
.BR #if .
The type of the expression the macro expands to is
.BR size_t .
.SH EXAMPLES
None.
.SH APPLICATION USAGE
None.
.SH RATIONALE
None.
.SH FUTURE DIRECTIONS
None.
.SH NOTES
None.
.SH HISTORY
libsimple 1.0
.SH BUGS
None.
.SH SEE ALSO
.BR ELEMSOF (3libsimple)
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