qgcvt(3)

NAME#

qecvt, qfcvt, qgcvt - convert a floating-point number to a string

LIBRARY#

Standard C library (libc, -lc)

SYNOPSIS#

#include <stdlib.h>

[[deprecated]] char *qecvt(long double \nnumber\n, int \nndigits\n,\n
\n                           int *restrict \ndecpt\n, int *restrict \nsign\n);\n
\n[[deprecated]] char *qfcvt(long double \nnumber\n, int \nndigits\n,\n
\n                           int *restrict \ndecpt\n, int *restrict \nsign\n);\n
\n[[deprecated]] char *qgcvt(long double \nnumber\n, int \nndigit\n, char *\nbuf\n);

qecvt(), qfcvt(), qgcvt():

\n
    Since glibc 2.19:
\n
        _DEFAULT_SOURCE
\n
    In glibc up to and including 2.19:
\n
        _SVID_SOURCE

DESCRIPTION#

The functions qecvt(), qfcvt(), and qgcvt() are identical to ecvt(3), fcvt(3), and gcvt(3) respectively, except that they use a long double argument number. See ecvt(3) and gcvt(3).

ATTRIBUTES#

For an explanation of the terms used in this section, see attributes(7).

STANDARDS#

None.

HISTORY#

SVr4, SunOS, GNU.

These functions are obsolete. Instead, snprintf(3) is recommended.

SEE ALSO#

ecvt(3), ecvt_r(3), gcvt(3), sprintf(3)