.TH LIBSIMPLE_STRNCASEEQLEN 3 2018-10-23 libsimple .SH NAME libsimple_strncaseeqlen \- check initial commonality .SH SYNOPSIS .nf #include size_t libsimple_strncaseeqlen(const char *\fIa\fP, const char *\fIb\fP, size_t \fIn\fP); #ifndef strncaseeqlen # define strncaseeqlen libsimple_strncaseeqlen #endif .fi .PP Link with .IR \-lsimple . .SH DESCRIPTION The .BR libsimple_strncaseeqlen () function scans the number of bytes the string .IR a , truncated to .I n bytes unless it is shorter, have in common the string .IR b , truncated to .I n bytes unless it is shorter, at their beginnings. .PP The comparison is case-insensitive. .SH RETURN VALUE The .BR libsimple_strncaseeqlen () function returns the number of bytes .I a and .I b (both truncated to .I n bytes) have in common at their beginnings. .SH ERRORS The .BR libsimple_strncaseeqlen () 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_strncaseeqlen () T} Thread safety MT-Safe T{ .BR libsimple_strncaseeqlen () T} Async-signal safety AS-Safe T{ .BR libsimple_strncaseeqlen () 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_strcaseeq (3), .BR libsimple_streqlen (3), .BR libsimple_strrcaseeqlen (3), .BR libsimple_strcaseeqlen (3), .BR libsimple_memcaseeqlen (3)