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getvfsbyname - Gets the virtual file system type number
#include <sys/mount.h>
int getvfsbyname(
const char *typename);
A pointer to a virtual file system type name.
The getvfsbyname() function returns the type number of the virtual system type identified by typename.
The getvfsbyname() function may not be able to handle file systems that are dynamically loaded.
Upon successful completion, getvfsbyname() returns an integer value between MOUNT_NONE and MOUNT_MAXTYPE that identifies the file system type. Otherwise, getvfsbyname() returns a value of -1 and errno is set to indicate the error.
If any of the following conditions occurs, the getvfsbyname() function sets errno to the corresponding value: The typename argument is not a valid pointer. Memory cannot be allocated.
Functions: getvfsbynumber(3), statfs(2). delim off