path: root/man3/libsimple_memtoupper.3

.TH LIBSIMPLE_MEMTOUPPER 3 2018-11-25 libsimple
.SH NAME
libsimple_memtoupper, libsimple_memptoupper \- convert a character array to upper case
.SH SYNOPSIS
.nf
#include <libsimple.h>

static inline void *libsimple_memtoupper(void *\fIdest\fP, const void *\fIsrc\fP, size_t \fIn\fP);
void *libsimple_memptoupper(void *\fIdest\fP, const void *\fIsrc\fP, size_t \fIn\fP);

#ifndef memtoupper
# define memtoupper libsimple_memtoupper
#endif
#ifndef memptoupper
# define memptoupper libsimple_memptoupper
#endif
.fi
.PP
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_memtoupper ()
and
.BR libsimple_memptoupper ()
functions copies the first
.I n
characters from the array
.I src
into the
.I array.
All lower case ASCII characters will be 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_memtoupper ()
function returns the pointer
.IR dest .
.PP
The
.BR libsimple_memptoupper ()
function returns
.IR &dest[n] .
.SH ERRORS
The
.BR libsimple_memtoupper ()
and
.BR libsimple_memptoupper ()
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_memtoupper (),
.br
.BR libsimple_memptoupper ()
T}	Thread safety	MT-Safe
T{
.BR libsimple_memtoupper (),
.br
.BR libsimple_memptoupper ()
T}	Async-signal safety	AS-Safe
T{
.BR libsimple_memtoupper (),
.br
.BR libsimple_memptoupper ()
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 BUGS
None.
.SH SEE ALSO
.BR libsimple_memtolower (3),
.BR libsimple_memreplace (3),
.BR libsimple_strtoupper (3),
.BR libsimple_strntoupper (3)