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.TH fmt_netstring 3
.SH NAME
fmt_netstring \- convert a memory buffer into a netstring
.SH SYNTAX
.B #include <libowfat/fmt.h>
size_t \fBfmt_netstring\fP(char *\fIdest\fR,const char *\fIsource\fR,
size_t \fIlen\fR);
.SH DESCRIPTION
fmt_netstring creates a netstring from a raw memory buffer and returns
the length.
fmt_netstring does not append \\0.
If \fIdest\fR equals FMT_LEN (i.e. is zero), fmt_netstring returns the number
of bytes it would have written.
.SH "RETURN VALUE"
fmt_netstring returns the number of bytes written (or that would have
been written, had the destination pointer not pointed to NULL).
If the input buffer is implausibly large, fmt_netstring returns 0
instead.
.SH EXAMPLE
The raw memory buffer "foo" would become the netstring "3:foo,"
.SH SPEC
http://cr.yp.to/proto/netstrings.txt
.SH "SEE ALSO"
scan_netstring(3)
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