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Annotation of 43BSDTahoe/man/man3/ecvt.3, revision 1.1.1.1

1.1       root        1: .\"    @(#)ecvt.3      6.1 (Berkeley) 5/15/85
                      2: .\"
                      3: .TH ECVT 3  "May 15, 1985"
                      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: .I Ecvt
                     23: converts the 
                     24: .I value
                     25: to a null-terminated string of
                     26: .I ndigit
                     27: ASCII digits and returns a pointer thereto.
                     28: The position of the decimal point relative to the
                     29: beginning of the string is stored indirectly through
                     30: .IR decpt ""
                     31: (negative means to the left of the returned digits).
                     32: If the sign of the result is negative, the word pointed to by
                     33: .IR sign ""
                     34: is non-zero, otherwise it is zero.  The low-order digit is rounded.
                     35: .PP
                     36: .IR Fcvt " is identical to " "ecvt\fR, except that the correct digit"
                     37: has been rounded for Fortran F-format output of the number
                     38: of digits specified by
                     39: .IR \(*_ndigits .
                     40: .PP
                     41: .I Gcvt
                     42: converts the
                     43: .I value
                     44: to a null-terminated ASCII string in
                     45: .I buf
                     46: and returns a pointer to 
                     47: .I buf.
                     48: It attempts to produce
                     49: .I ndigit
                     50: significant digits in Fortran F format if possible, otherwise E format,
                     51: ready for printing.  Trailing zeros may be suppressed.
                     52: .SH "SEE ALSO"
                     53: printf(3)
                     54: .SH BUGS
                     55: The return values point to static data
                     56: whose content is overwritten by each call.

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