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#pragma src "/sys/src/libString"
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#pragma lib "libString.a"
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/* extensible Strings */
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typedef struct String {
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Lock;
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char *base; /* base of String */
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char *end; /* end of allocated space+1 */
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char *ptr; /* ptr into String */
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short ref;
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uchar fixed;
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} String;
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#define s_clone(s) s_copy((s)->base)
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#define s_to_c(s) ((s)->base)
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#define s_len(s) ((s)->ptr-(s)->base)
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extern String* s_append(String*, char*);
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extern String* s_array(char*, int);
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extern String* s_copy(char*);
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extern void s_free(String*);
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extern String* s_incref(String*);
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extern String* s_memappend(String*, char*, int);
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extern String* s_nappend(String*, char*, int);
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extern String* s_new(void);
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extern String* s_newalloc(int);
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extern String* s_parse(String*, String*);
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extern String* s_reset(String*);
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extern String* s_restart(String*);
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extern void s_terminate(String*);
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extern void s_tolower(String*);
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extern void s_putc(String*, int);
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extern String* s_unique(String*);
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extern String* s_grow(String*, int);
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#ifdef BGETC
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extern int s_read(Biobuf*, String*, int);
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extern char *s_read_line(Biobuf*, String*);
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extern char *s_getline(Biobuf*, String*);
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typedef struct Sinstack Sinstack;
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#pragma incomplete Sinstack
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extern char *s_rdinstack(Sinstack*, String*);
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extern Sinstack *s_allocinstack(char*);
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extern void s_freeinstack(Sinstack*);
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#endif /* BGETC */
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