jehanne/sys/include/String.h

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/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#pragma src "/sys/src/lib/String"
#pragma lib "libString.a"
/* extensible Strings */
typedef struct String {
Lock;
char *base; /* base of String */
char *end; /* end of allocated space+1 */
char *ptr; /* ptr into String */
short ref;
unsigned char fixed;
} String;
#define s_clone(s) s_copy((s)->base)
#define s_to_c(s) ((s)->base)
#define s_len(s) ((s)->ptr-(s)->base)
extern String* s_append(String*, char*);
extern String* s_array(char*, int);
extern String* s_copy(char*);
extern void s_free(String*);
extern String* s_incref(String*);
extern String* s_memappend(String*, char*, int);
extern String* s_nappend(String*, char*, int);
extern String* s_new(void);
extern String* s_newalloc(int);
extern String* s_parse(String*, String*);
extern String* s_reset(String*);
extern String* s_restart(String*);
extern void s_terminate(String*);
extern void s_tolower(String*);
extern void s_putc(String*, int);
extern String* s_unique(String*);
extern String* s_grow(String*, int);
#ifdef BGETC
extern int s_read(Biobuf*, String*, int);
extern char *s_read_line(Biobuf*, String*);
extern char *s_getline(Biobuf*, String*);
typedef struct Sinstack Sinstack;
#pragma incomplete Sinstack
extern char *s_rdinstack(Sinstack*, String*);
extern Sinstack *s_allocinstack(char*);
extern void s_freeinstack(Sinstack*);
#endif /* BGETC */