MPROTECT(2) BSD System Calls Manual MPROTECT(2)NAMEmprotect — control the protection of pages
mprotect(caddr_t addr, int len, int prot);
The mprotect() system call changes the specified pages to have protection
prot. Not all implementations will guarantee protection on a page basis;
the granularity of protection changes may be as large as an entire
SEE ALSOmsync(2), munmap(2), madvise(2), mincore(2)HISTORY
The mprotect() function first appeared in 4.4BSD.
BSD June 9, 1993 BSD