...ty and accessibility of library documentation, and thereby the usability of the software. STANDARDS Certain terms and abbreviations are used to indicate UNIX variants and standa…...ribute Value towlower () Thread safety MT-Safe locale towlower_l () Thread safety MT-Safe STANDARDS towlower () C11, POSIX.1-2008 (XSI). towlower_l () POSIX.1-2008. STANDARDS to…...ribute Value towlower () Thread safety MT-Safe locale towlower_l () Thread safety MT-Safe STANDARDS towlower () C11, POSIX.1-2008 (XSI). towlower_l () POSIX.1-2008. STANDARDS to…...attributes (7). Interface Attribute Value opendir (), fdopendir () Thread safety MT-Safe STANDARDS POSIX.1-2008. STANDARDS opendir () SVr4, 4.3BSD, POSIX.1-2001. fdopendir () PO…...attributes (7). Interface Attribute Value opendir (), fdopendir () Thread safety MT-Safe STANDARDS POSIX.1-2008. STANDARDS opendir () SVr4, 4.3BSD, POSIX.1-2001. fdopendir () PO…...utes (7). Interface Attribute Value stpcpy (), strcpy (), strcat () Thread safety MT-Safe STANDARDS stpcpy () POSIX.1-2008. strcpy () strcat () C11, POSIX.1-2008. STANDARDS stpc…...utes (7). Interface Attribute Value stpcpy (), strcpy (), strcat () Thread safety MT-Safe STANDARDS stpcpy () POSIX.1-2008. strcpy () strcat () C11, POSIX.1-2008. STANDARDS stpc…...utes (7). Interface Attribute Value stpcpy (), strcpy (), strcat () Thread safety MT-Safe STANDARDS stpcpy () POSIX.1-2008. strcpy () strcat () C11, POSIX.1-2008. STANDARDS stpc…...is section, see attributes (7). Interface Attribute Value memcpy () Thread safety MT-Safe STANDARDS C11, POSIX.1-2008. HISTORY POSIX.1-2001, C89, SVr4, 4.3BSD. CAVEATS Failure t…...n ], size_t n ); DESCRIPTION bcmp () is identical to memcmp (3); use the latter instead. STANDARDS None. HISTORY 4.3BSD. Marked as LEGACY in POSIX.1-2001; removed in POSIX.1-200…...t receive a type, but are implemented with calls to functions that receive the other one. STANDARDS GNU, BSD....t receive a type, but are implemented with calls to functions that receive the other one. STANDARDS GNU, BSD....) is identical to strrchr (3). Use strchr (3) and strrchr (3) instead of these functions. STANDARDS None. HISTORY 4.3BSD; marked as LEGACY in POSIX.1-2001. Removed in POSIX.1-20…...) is identical to strrchr (3). Use strchr (3) and strrchr (3) instead of these functions. STANDARDS None. HISTORY 4.3BSD; marked as LEGACY in POSIX.1-2001. Removed in POSIX.1-20…...2l(long double complex z ); DESCRIPTION The function returns 2 raised to the power of z . STANDARDS These function names are reserved for future use in C99. As at glibc 2.31, th…...2l(long double complex z ); DESCRIPTION The function returns 2 raised to the power of z . STANDARDS These function names are reserved for future use in C99. As at glibc 2.31, th…...2l(long double complex z ); DESCRIPTION The function returns 2 raised to the power of z . STANDARDS These function names are reserved for future use in C99. As at glibc 2.31, th…...f z . The complex hyperbolic cosine function is defined as: ccosh(z) = (exp(z)+exp(-z))/2 STANDARDS C11, POSIX.1-2008. HISTORY glibc 2.1. C99, POSIX.1-2001. SEE ALSO cabs (3), c…...f z . The complex hyperbolic cosine function is defined as: ccosh(z) = (exp(z)+exp(-z))/2 STANDARDS C11, POSIX.1-2008. HISTORY glibc 2.1. C99, POSIX.1-2001. SEE ALSO cabs (3), c…...f z . The complex hyperbolic cosine function is defined as: ccosh(z) = (exp(z)+exp(-z))/2 STANDARDS C11, POSIX.1-2008. HISTORY glibc 2.1. C99, POSIX.1-2001. SEE ALSO cabs (3), c…