qecvt - Man Page
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).
Interface | Attribute | Value |
---|---|---|
qecvt() | Thread safety | MT-Unsafe race:qecvt |
qfcvt() | Thread safety | MT-Unsafe race:qfcvt |
qgcvt() | Thread safety | MT-Safe |
Standards
None.
History
SVr4, SunOS, GNU.
These functions are obsolete. Instead, snprintf(3) is recommended.
See Also
Referenced By
The man pages qfcvt(3) and qgcvt(3) are aliases of qecvt(3).
2024-05-02 Linux man-pages 6.9.1