Name
qecvt, qfcvt, qgcvt - convert a floating-point number to a stringLibrary
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" argumentnumber
. See ecvt(3) and gcvt(3). Attributes
For an explanation of the terms used in this section, see attributes(7).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.