1*40d01547SDavid du Colombier #include "l.h" 2*40d01547SDavid du Colombier 3*40d01547SDavid du Colombier void* mysbrk(ulong size)4*40d01547SDavid du Colombiermysbrk(ulong size) 5*40d01547SDavid du Colombier { 6*40d01547SDavid du Colombier return sbrk(size); 7*40d01547SDavid du Colombier } 8*40d01547SDavid du Colombier 9*40d01547SDavid du Colombier int fileexists(char * s)10*40d01547SDavid du Colombierfileexists(char *s) 11*40d01547SDavid du Colombier { 12*40d01547SDavid du Colombier uchar dirbuf[400]; 13*40d01547SDavid du Colombier 14*40d01547SDavid du Colombier /* it's fine if stat result doesn't fit in dirbuf, since even then the file exists */ 15*40d01547SDavid du Colombier return stat(s, dirbuf, sizeof(dirbuf)) >= 0; 16*40d01547SDavid du Colombier } 17