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.TH LIBSIMPLE_STRTOUPPER 3 2018-11-25 libsimple
.SH NAME
libsimple_strtoupper, libsimple_stptoupper \- convert a string to upper case
.SH SYNOPSIS
.nf
#include <libsimple.h>
static 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 BUGS
None.
.SH SEE ALSO
.BR libsimple_strtolower (3),
.BR libsimple_strreplace (3),
.BR libsimple_strntoupper (3),
.BR libsimple_memtoupper (3)
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