getenv
getenv, getenv_s
Defined in header <stdlib.h> | ||
---|---|---|
char *getenv( const char *name ); | (1) | |
errno_t getenv_s( size_t *restrict len, char *restrict value, rsize_t valuesz, const char *restrict name ); | (2) | (since C11) |
1) Searches for an environmental variable with name
name
in the host-specified environment list and returns a pointer to the string that is associated with the matched environment variable. The set of environmental variables and methods of altering it are implementation-defined. <