.TH byte_chr 3 .SH NAME byte_chr \- search for a byte in a string .SH SYNTAX .B #include size_t \fBbyte_chr\fP(const char *\fIhaystack\fR,size_t \fIlen\fR,char \fIneedle\fR); .SH DESCRIPTION \fIbyte_chr\fR returns the smallest integer \fIi\fR between 0 and \fIlen\fR-1 inclusive such that \fIone\fR[\fIi\fR] equals \fIneedle\fR. If no such integer exists, byte_chr returns \fIlen\fR. byte_chr may read all bytes \fIone\fR[0], \fIone\fR[1], ..., \fIone\fR[\fIlen\fR-1], even if not all the bytes are relevant to the answer. .SH "SEE ALSO" byte_rchr(3)