Lines Matching defs:header
120 /* An "alloca header" is used to:
124 It is very important that sizeof(header) agree with malloc
133 char align[ALIGN_SIZE]; /* To force sizeof(header). */
139 } header;
141 static header *last_alloca_header = NULL; /* -> last alloca header. */
165 register header *hp; /* Traverses linked list. */
175 register header *np = hp->h.next;
179 hp = np; /* -> next header. */
194 /* Allocate combined header + user data storage. */
197 /* Address of header. */
198 register header *new;
200 size_t combined_size = sizeof (header) + size;
201 if (combined_size < sizeof (header))
214 /* User storage begins just after header. */