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072c965ba5
Both `getopt_long` and `getopt_long_only` are GNU-specific, so we'll be copying musl's implementation for portability. This was retrieved as of commit 90251cf73dfdd44e7a3f085d236e89a7dff1b00b. musl is licensed as MIT, which is compatible (being identical...) to RGBDS'. The file is being copied as-is, without a copyright notice or attribution, but this is only to have a verbatim copy in the history. Those will be added in the next commit.
31 lines
559 B
C
31 lines
559 B
C
#ifndef _GETOPT_H
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#define _GETOPT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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int getopt(int, char * const [], const char *);
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extern char *optarg;
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extern int optind, opterr, optopt, optreset;
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struct option {
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const char *name;
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int has_arg;
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int *flag;
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int val;
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};
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int getopt_long(int, char *const *, const char *, const struct option *, int *);
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int getopt_long_only(int, char *const *, const char *, const struct option *, int *);
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#define no_argument 0
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#define required_argument 1
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#define optional_argument 2
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#ifdef __cplusplus
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}
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#endif
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#endif
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