modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/tools/include/linux/string.h
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@@ -7,6 +7,9 @@
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 void *memdup(const void *src, size_t len);
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+char **argv_split(const char *str, int *argcp);
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+void argv_free(char **argv);
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+
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 int strtobool(const char *s, bool *res);
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 /*
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@@ -27,6 +30,8 @@
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 char *str_error_r(int errnum, char *buf, size_t buflen);
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+char *strreplace(char *s, char old, char new);
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+
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 /**
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  * strstarts - does @str start with @prefix?
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  * @str: string to examine
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@@ -37,4 +42,9 @@
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 	return strncmp(str, prefix, strlen(prefix)) == 0;
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 }
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-#endif /* _LINUX_STRING_H_ */
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+extern char * __must_check skip_spaces(const char *);
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+
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+extern char *strim(char *);
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+
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+extern void *memchr_inv(const void *start, int c, size_t bytes);
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+#endif /* _TOOLS_LINUX_STRING_H_ */