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.TH fmt_strn 3
.SH NAME
fmt_strn \- write an ASCII string
.SH SYNTAX
.B #include <libowfat/fmt.h>
size_t \fBfmt_strn\fP(char *\fIdest\fR,const char *\fIsource\fR,
size_t \fImaxlen\fR);
.SH DESCRIPTION
fmt_str copies at most \fImaxlen\fR leading nonzero bytes from
\fIsource\fR to \fIdest\fR and returns the number of bytes it copied.
fmt_str does not append \\0.
If \fIdest\fR equals FMT_LEN (i.e. is zero), fmt_strn returns the number
of bytes it would have written.
.SH "SEE ALSO"
strncpy(3)