qecvt(3) Library Functions Manual qecvt(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 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 at- tributes(7). ┌───────────────────────────────┬───────────────┬──────────────────────┐ │Interface │ Attribute │ Value │ ├───────────────────────────────┼───────────────┼──────────────────────┤ │qecvt() │ Thread safety │ MT-Unsafe race:qecvt │ ├───────────────────────────────┼───────────────┼──────────────────────┤ │qfcvt() │ Thread safety │ MT-Unsafe race:qfcvt │ ├───────────────────────────────┼───────────────┼──────────────────────┤ │qgcvt() │ Thread safety │ MT-Safe │ └───────────────────────────────┴───────────────┴──────────────────────┘ STANDARDS SVr4. Not seen in most common UNIX implementations, but occurs in SunOS. Supported by glibc. NOTES These functions are obsolete. Instead, snprintf(3) is recommended. SEE ALSO ecvt(3), ecvt_r(3), gcvt(3), sprintf(3) Linux man-pages 6.03 2022-12-15 qecvt(3)
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