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'\" t
.\" Copyright 2024 axtlos (axtlos@disroot.org)
.\"
.\" SPDX-License-Identifier: BSD-3-Clause
.TH strlwr 3 2024-07-14 "extlib"
.SH NAME
strlwr, strupr \- convert a string to upper/lowercase
.SH LIBRARY
extlib extended standard library
.RI ( libextlib ", " \-lextlib )
.SH SYNOPSIS
.nf
.B #include <extlib.h>
.P
.BI "char *strlwr (char *s);"
.P
.BI "char *strupr (char *s);"
.P
.fi
.SH DESCRIPTION
The
.BR strlwr ()
function converts
.I *s
to a lowercase version of itself.
The
.BR strupr ()
function converts
.I *s
to an uppercase version of itself.
In both functions
.I *s
will be consumed and cannot be used after the function completes.
.fi
.SH RETURN VALUE
.BR strlwr ()
and
.BR strupr ()
return the string in the appropriate case, the resulting string will have to be manually free'd.
.\" SRC END
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