.TH case_lowerb 3 .SH NAME case_lowerb \- compare strings case-insensitively .SH SYNTAX .B #include void \fBcase_lowerb\fP(void* \fIs\fR,size_t \fIlen\fR); .SH DESCRIPTION case_lowerb converts each 'A' to 'a', 'B' to 'b', ..., 'Z' to 'z' in \fIs\fR[0], \fIs\fR[1], ..., \fIs\fR[\fIlen\fR]. .SH "SEE ALSO" case_lowerb(3)