.TH LIBSIMPLE_MEMCASEEQLEN 3 2018-10-21 libsimple .SH NAME libsimple_memcaseeqlen \- check initial commonality .SH SYNOPSIS .nf #include size_t libsimple_memcaseeqlen(const void *\fIa\fP, size_t \fIn\fP, const void *\fIb\fP, size_t \fIm\fP); #ifndef memcaseeqlen # define memcaseeqlen libsimple_memcaseeqlen #endif .fi .PP Link with .IR \-lsimple . .SH DESCRIPTION The .BR libsimple_memcaseeqlen () function scans the number of bytes the byte array .IR a , with size .IR n , have in common the byte array .IR b , with size .IR m , at their beginnings. .PP The comparison is case-insensitive. .SH RETURN VALUE The .BR libsimple_memcaseeqlen () function returns the number of bytes .I a and .I b have in common at their beginnings. .SH ERRORS The .BR libsimple_memcaseeqlen () function 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_memcaseeqlen () T} Thread safety MT-Safe T{ .BR libsimple_memcaseeqlen () T} Async-signal safety AS-Safe T{ .BR libsimple_memcaseeqlen () 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_memcaseeq (3), .BR libsimple_memeqlen (3), .BR libsimple_memrcaseeqlen (3)