.TH LIBSIMPLE_STRTOUPPER 3 libsimple
.SH NAME
libsimple_strtoupper, libsimple_stptoupper \- convert a string to upper case

.SH SYNOPSIS
.nf
#include <libsimple.h>

inline char *libsimple_strtoupper(char *\fIdest\fP, const char *\fIsrc\fP);
char *libsimple_stptoupper(char *\fIdest\fP, const char *\fIsrc\fP);

#ifndef strtoupper
# define strtoupper libsimple_strtoupper
#endif
#ifndef stptoupper
# define stptoupper libsimple_stptoupper
#endif
.fi
.PP
Link with
.IR \-lsimple .

.SH DESCRIPTION
The
.BR libsimple_strtoupper ()
and
.BR libsimple_stptoupper ()
functions copies and covert a string, including the
NUL byte that terminates it, to upper case.
The string
.I src
is copied into
.IR dest ,
with all lower case ASCII characters converted to
upper case. The arrays may overlap, and there is
an optimisation for the case where
.IR dest==src .

.SH RETURN VALUE
The
.BR libsimple_strtoupper ()
function returns the pointer
.IR dest .
.PP
The
.BR libsimple_stptoupper ()
function returns the pointer
end of the string copied into
.IR dest ,
that is
.IR &dest[strlen(src)] .

.SH ERRORS
The
.BR libsimple_strtoupper ()
and
.BR libsimple_stptoupper ()
functions cannot fail.

.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lb lb lb
l l l.
Interface	Attribute	Value
T{
.BR libsimple_strtoupper (),
.br
.BR libsimple_stptoupper ()
T}	Thread safety	MT-Safe
T{
.BR libsimple_strtoupper (),
.br
.BR libsimple_stptoupper ()
T}	Async-signal safety	AS-Safe
T{
.BR libsimple_strtoupper (),
.br
.BR libsimple_stptoupper ()
T}	Async-cancel safety	AC-Safe
.TE

.SH EXAMPLES
None.

.SH APPLICATION USAGE
None.

.SH RATIONALE
None.

.SH FUTURE DIRECTIONS
None.

.SH NOTES
None.

.SH HISTORY
libsimple 1.1

.SH BUGS
None.

.SH SEE ALSO
.BR libsimple_strtolower (3),
.BR libsimple_strreplace (3),
.BR libsimple_strntoupper (3),
.BR libsimple_memtoupper (3)