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