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Annotation of 43BSDReno/lib/libcompat/4.3/ecvt.3, revision 1.1.1.1

1.1       root        1: .\"    @(#)ecvt.3      6.3 (Berkeley) 5/17/89
                      2: .\"
                      3: .TH ECVT 3  "May 17, 1989"
                      4: .AT 3
                      5: .SH NAME
                      6: ecvt, fcvt, gcvt \- output conversion
                      7: .SH SYNOPSIS
                      8: .nf
                      9: .B char *ecvt(value, ndigit, decpt, sign)
                     10: .B double value;
                     11: .B int ndigit, *decpt, *sign;
                     12: .PP
                     13: .B char *fcvt(value, ndigit, decpt, sign)
                     14: .B double value;
                     15: .B int ndigit, *decpt, *sign;
                     16: .PP
                     17: .B char *gcvt(value, ndigit, buf)
                     18: .B double value;
                     19: .B char *buf;
                     20: .fi
                     21: .SH DESCRIPTION
                     22: .ft B
                     23: These interfaces are obsoleted by printf(3).
                     24: .br
                     25: They are available from the compatibility library, libcompat.
                     26: .ft R
                     27: .PP
                     28: .I Ecvt
                     29: converts the 
                     30: .I value
                     31: to a null-terminated string of
                     32: .I ndigit
                     33: ASCII digits and returns a pointer thereto.
                     34: The position of the decimal point relative to the
                     35: beginning of the string is stored indirectly through
                     36: .IR decpt ""
                     37: (negative means to the left of the returned digits).
                     38: If the sign of the result is negative, the word pointed to by
                     39: .IR sign ""
                     40: is non-zero, otherwise it is zero.  The low-order digit is rounded.
                     41: .PP
                     42: .IR Fcvt " is identical to " "ecvt\fR, except that the correct digit"
                     43: has been rounded for Fortran F-format output of the number
                     44: of digits specified by
                     45: .IR \(*_ndigits .
                     46: .PP
                     47: .I Gcvt
                     48: converts the
                     49: .I value
                     50: to a null-terminated ASCII string in
                     51: .I buf
                     52: and returns a pointer to 
                     53: .I buf.
                     54: It attempts to produce
                     55: .I ndigit
                     56: significant digits in Fortran F format if possible, otherwise E format,
                     57: ready for printing.  Trailing zeros may be suppressed.
                     58: .SH "SEE ALSO"
                     59: printf(3)
                     60: .SH BUGS
                     61: The return values point to static data
                     62: whose content is overwritten by each call.

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