gtpc2m3s | C/C++ Language Support User's Guide |
This function gets the real group ID (GID) of the calling function's process.
Format
#include <unistd.h> gid_t getgid(void);
Normal Return
The getgid function returns the real group ID of the calling process. It is always successful.
Error Return
Not applicable.
Programming Considerations
None.
Examples
The following example provides information for the group ID of the caller:
#include <unistd.h> #include <stdio.h> int main(void) { printf( "My Group ID is %d\n", (int) getgid() ); return 0; }
The getgid function returns the following information for the group ID of the calling function.
My Group ID is 100
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