qecvt(3) Library Functions Manual qecvt(3) qecvt, qfcvt, qgcvt - (libc -lc) #include [[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); glibc ( feature_test_macros(7)): qecvt() qfcvt() qgcvt(): glibc 2.19: _DEFAULT_SOURCE glibc 2.19: _SVID_SOURCE qecvt() qfcvt() qgcvt() ecvt(3) fcvt(3) gcvt(3) long double number. ecvt(3) gcvt(3). attributes(7). +----------+------------------------------------+----------------------+ || | | +----------+------------------------------------+----------------------+ |qecvt() | | MT-Unsafe race:qecvt | +----------+------------------------------------+----------------------+ |qfcvt() | | MT-Unsafe race:qfcvt | +----------+------------------------------------+----------------------+ |qgcvt() | | MT-Safe | +----------+------------------------------------+----------------------+ . SVr4 SunOS GNU. . snprintf(3). ecvt(3) ecvt_r(3) gcvt(3) sprintf(3) 3 . . : . 6.18 8 2026 qecvt(3)