diff options
Diffstat (limited to 'case.3')
| -rw-r--r-- | case.3 | 100 |
1 files changed, 100 insertions, 0 deletions
@@ -0,0 +1,100 @@ +.TH case 3 +.SH NAME +case \- convert ASCII uppercase bytes to lowercase +.SH SYNTAX +.B #include <case.h> + +void \fBcase_lowers\fP(\fIs\fR); +.br +void \fBcase_lowerb\fP(\fIs\fR,\fIlen\fR); + +int \fBcase_diffs\fP(\fIs\fR,\fIt\fR); +.br +int \fBcase_equals\fP(\fIs\fR,\fIt\fR); +.br +int \fBcase_starts\fP(\fIs\fR,\fIt\fR); + +int \fBcase_diffb\fP(\fIs\fR,\fIlen\fR,\fIt\fR); +.br +int \fBcase_startb\fP(\fIs\fR,\fIlen\fR,\fIt\fR); + +char *\fIs\fR; +.br +char *\fIt\fR; +.br +unsigned int \fIlen\fR; +.SH DESCRIPTION +.B case_lowers +converts each uppercase byte in the string +.I s +to lowercase. +.I s +must be 0-terminated. + +.B case_lowerb +converts each uppercase byte in the buffer +.IR s , +of length +.IR len , +to lowercase. + +.B case_diffs +lexicographically compares lowercase versions of the strings +.I s +and +.IR t . +It returns something positive, negative, or zero +when the first is larger than, smaller than, or equal to the second. +.I s +and +.I t +must be 0-terminated. + +.B case_equals +means +.BR !case_diffs . + +.B case_starts +returns 1 if a lowercase version of +.I s +starts with a lowercase version of +.IR t . +.I s +and +.I t +must be 0-terminated. + +.B case_diffb +lexicographically compares lowercase versions of the buffers +.I s +and +.IR t , +each of length +.IR len . +It returns something positive, negative, or zero +when the first is larger than, smaller than, or equal to the second. + +.B case_startb +returns 1 if a lowercase version of the buffer +.IR s , +of length +.IR len , +starts with a lowercase version of the string +.IR t . +.I t +must be 0-terminated. + +The +.B case +routines +are ASCII-specific. +They are suitable for programs that handle +case-independent networking protocols. + +All comparisons are performed on unsigned bytes. +.SH "SEE ALSO" +byte_diff(3), +byte_equal(3), +str_diff(3), +str_equal(3), +str_start(3) |