GETMNTINFO(3) BSD Programmer's Manual GETMNTINFO(3)
getmntinfo - get information about mounted file systems
#include <sys/param.h> #include <sys/mount.h> int getmntinfo(struct statfs **mntbufp, int flags);
The getmntinfo() function returns an array of statfs structures describ- ing each currently mounted file system (see statfs(2)). The getmntinfo() function passes its flags parameter transparently to getfsstat(2).
On successful completion, getmntinfo() returns a count of the number of elements in the array. The pointer to the array is stored into mntbufp. If an error occurs, zero is returned and the external variable errno is set to indicate the error. Although the pointer mntbufp will be unmodi- fied, any information previously returned by getmntinfo() will be lost.
The getmntinfo() function may fail and set errno for any of the errors specified for the library routines getfsstat(2) or malloc(3).
getfsstat(2), mount(2), statfs(2), mount(8)
The getmntinfo() function first appeared in 4.4BSD.
The getmntinfo() function writes the array of structures to an internal static object and returns a pointer to that object. Subsequent calls to getmntinfo() will modify the same object. The memory allocated by getmntinfo() cannot be free(3)'d by the applica- tion. MirOS BSD #10-current June 9, 1993 1
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