qgcvt(3) Linux Man Page - System Grab Bag

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 " number ", int  ndigits ,
                           int *restrict " decpt ", int *restrict  sign );
[[deprecated]] char *qfcvt(long double " number ", int  ndigits ,
                           int *restrict " decpt ", int *restrict  sign );
[[deprecated]] char *qgcvt(long double " number ", int " ndigit ", char * buf );

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

qecvt() qfcvt() qgcvt()

    Since glibc 2.19:
        _DEFAULT_SOURCE
    In glibc up to and including 2.19:
        _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). allbox; lbx lb lb T{ qecvt()T{ qfcvt()T{ qgcvt()

Interface	Attribute	Value
T}	Thread safety	MT-Unsafe race:qecvt
T}	Thread safety	MT-Unsafe race:qfcvt
T}	Thread safety	MT-Safe

Standards

None.

History

SVr4, SunOS, GNU.

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