uname()
Get information about the operating system
Synopsis:
#include <sys/utsname.h> int uname( struct utsname * name );
Since:
BlackBerry 10.0.0
Arguments:
- name
- A pointer to a utsname where the function can store the information; see below.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The uname() function stores information about the current operating system in the structure pointed to by the argument name.
The system name structure, utsname, is defined in <sys/utsname.h>, and contains at least the following structure members:
- char* sysname
- The name of the OS.
- char* nodename
- The name of this node.
- char* release
- The current release level.
- char* version
- The current version level.
- char* machine
- The hardware type.
Each of these items is a null-terminated character array.
Returns:
- 0
- Success.
- -1
- An error occurred ( errno is set).
Examples:
/* * The following program prints some information about the * system it's running on. */ #include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <sys/utsname.h> int main( void ) { struct utsname sysinfo; if( uname( &sysinfo ) == -1 ) { perror( "uname" ); return EXIT_FAILURE; } printf( "system name : %s\n", sysinfo.sysname ); printf( "node name : %s\n", sysinfo.nodename ); printf( "release name : %s\n", sysinfo.release ); printf( "version name : %s\n", sysinfo.version ); return EXIT_SUCCESS; }
Classification:
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |
Last modified: 2014-06-24