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MPROTECT(2)                 BSD Programmer's Manual                MPROTECT(2)

NAME
     mprotect - control the protection of pages

SYNOPSIS
     mprotect(caddr_t addr, int len, int prot);

DESCRIPTION
     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 re-
     gion.

SEE ALSO
     msync(2),  munmap(2),  madvise(2),  mincore(2)

HISTORY
     The mprotect() function first appeared in 4.4BSD.

4.4BSD                           June 9, 1993                                1