ecvt_r(3) Library Functions Manual ecvt_r(3) ecvt_r, fcvt_r, qecvt_r, qfcvt_r - LIBRARY Standard C library (libc, -lc) #include [[deprecated]] int ecvt_r(double number, int ndigits, int *restrict decpt, int *restrict sign, char *restrict buf, size_t len); [[deprecated]] int fcvt_r(double number, int ndigits, int *restrict decpt, int *restrict sign, char *restrict buf, size_t len); [[deprecated]] int qecvt_r(long double number, int ndigits, int *restrict decpt, int *restrict sign, char *restrict buf, size_t len); [[deprecated]] int qfcvt_r(long double number, int ndigits, int *restrict decpt, int *restrict sign, char *restrict buf, size_t len); glibc (. feature_test_macros(7)): ecvt_r(), fcvt_r(), qecvt_r(), qfcvt_r(): /* glibc >= 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE ecvt_r(), fcvt_r(), qecvt_r() qfcvt_r() ecvt(3), fcvt(3), qecvt(3) qfcvt(3), , , , buf len. ecvt(3) qecvt(3). 0 -1 . attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |ecvt_r(), fcvt_r(), | | MT-Safe | |qecvt_r(), qfcvt_r() | | | +----------------------------+----------------------------------------------------------+--------------------------+ GNU. . sprintf(3). . ecvt(3), qecvt(3), sprintf(3) Azamat Hackimov , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . ecvt_r(3)