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ALLOCA(3) BSD Library Functions Manual ALLOCA(3) NAME alloca -- memory allocator LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <alloca.h> or #include <stdlib.h> void * alloca(size_t size); DESCRIPTION The alloca() function allocates size bytes of space in the stack frame of the caller. This temporary space is automatically freed on return. RETURN VALUES The alloca() function returns a pointer to the beginning of the allocated space. If the allocation failed, a NULL pointer is returned. SEE ALSO brk(2), calloc(3), getpagesize(3), malloc(3), realloc(3) HISTORY The alloca() function appeared in Version 32V AT&T UNIX. BUGS The alloca() function is machine and compiler dependent; its use is dis-couraged. discouraged. couraged. BSD June 4, 1993 BSD |