gtpc2m3o | C/C++ Language Support User's Guide |
This function gets the effective group ID (GID) of the calling function's process.
Format
#include <unistd.h> gid_t getegid(void);
Normal Return
The getegid function returns the effective group ID. It is always successful.
Error Return
Not applicable.
Programming Considerations
None.
Examples
The following example provides information for the effective group ID of the caller:
#include <unistd.h> #include <stdio.h> int main(void) { printf("My group id is %d\n", (int) getegid() ); return 0; }
The example output from the getegid function obtains the effective group ID and places it in variable type gid_t.
My group id is 100
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