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- /* @(#)malloc.h 1.4 89/06/25 SMI; from include/malloc.h 1.5 */
-
- #ifndef __malloc_h
- #define __malloc_h
-
- /*
- * Constants defining mallopt operations
- */
- #define M_MXFAST 1 /* set size of 'small blocks' */
- #define M_NLBLKS 2 /* set num of small blocks in holding block */
- #define M_GRAIN 3 /* set rounding factor for small blocks */
- #define M_KEEP 4 /* (nop) retain contents of freed blocks */
-
- /*
- * malloc information structure
- */
- struct mallinfo {
- int arena; /* total space in arena */
- int ordblks; /* number of ordinary blocks */
- int smblks; /* number of small blocks */
- int hblks; /* number of holding blocks */
- int hblkhd; /* space in holding block headers */
- int usmblks; /* space in small blocks in use */
- int fsmblks; /* space in free small blocks */
- int uordblks; /* space in ordinary blocks in use */
- int fordblks; /* space in free ordinary blocks */
- int keepcost; /* cost of enabling keep option */
-
- int mxfast; /* max size of small blocks */
- int nlblks; /* number of small blocks in a holding block */
- int grain; /* small block rounding factor */
- int uordbytes; /* space (including overhead) allocated in ord. blks */
- int allocated; /* number of ordinary blocks allocated */
- int treeoverhead; /* bytes used in maintaining the free tree */
- };
-
- typedef char * malloc_t;
-
- extern malloc_t calloc(/* size_t nmemb, size_t size */);
- extern int free(/* malloc_t ptr */);
- extern malloc_t malloc(/* size_t size */);
- extern malloc_t realloc(/* malloc_t ptr, size_t size */);
- extern int mallopt();
- extern struct mallinfo mallinfo();
-
- #endif /* !__malloc_h */
-