clear the environment NAME clearenv - clear the environment LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdl......AL ; however, versions of glibc before glibc 2.3.4 allowed an '=' sign in name . SEE ALSO clearenv (3), getenv (3), putenv (3), environ (7)...AL ; however, versions of glibc before glibc 2.3.4 allowed an '=' sign in name . SEE ALSO clearenv (3), getenv (3), putenv (3), environ (7)...utenv("NAME"); then the named variable is removed from the caller's environment. SEE ALSO clearenv (3), getenv (3), setenv (3), unsetenv (3), environ (7)...URE flag contained in the auxiliary vector passed from the kernel to user space. SEE ALSO clearenv (3), getauxval (3), putenv (3), setenv (3), unsetenv (3), capabilities (7), en…...URE flag contained in the auxiliary vector passed from the kernel to user space. SEE ALSO clearenv (3), getauxval (3), putenv (3), setenv (3), unsetenv (3), capabilities (7), en…