[unix-history] / usr / src / usr.bin / window / string.h

/*
 *	@(#)string.h	3.2 84/01/05
 */
#define STR_DEBUG

char *str_cpy();
char *str_cat();
char *str_itoa();

#define str_cmp(a, b)	strcmp(a, b)

#ifdef STR_DEBUG
struct string {
	struct string *s_forw;
	struct string *s_back;
	char s_data[1];
};

struct string str_head;

#define str_offset ((unsigned)str_head.s_data - (unsigned)&str_head)
#define str_stos(s) ((struct string *)((unsigned)(s) - str_offset))

char *str_alloc();
int str_free();
#else
#define str_free(s)	free(s)
#define str_alloc(s)	malloc(s)
#endif
Commit	Line	Data
921f5a1c	1	/*
90ede912	2	* @(#)string.h 3.2 84/01/05
921f5a1c	3	*/
90ede912	4	#define STR_DEBUG
921f5a1c EW	5
	6	char *str_cpy();
	7	char *str_cat();
	8	char *str_itoa();
	9
	10	#define str_cmp(a, b) strcmp(a, b)
90ede912 EW	11
	12	#ifdef STR_DEBUG
	13	struct string {
	14	struct string *s_forw;
	15	struct string *s_back;
	16	char s_data[1];
	17	};
	18
	19	struct string str_head;
	20
	21	#define str_offset ((unsigned)str_head.s_data - (unsigned)&str_head)
	22	#define str_stos(s) ((struct string *)((unsigned)(s) - str_offset))
	23
	24	char *str_alloc();
	25	int str_free();
	26	#else
	27	#define str_free(s) free(s)
	28	#define str_alloc(s) malloc(s)
	29	#endif