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#include <fmt.h>
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#include <string.h>
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#include <assert.h>
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int main() {
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char buf[100];
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buf[5]='x';
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assert(fmt_str(buf,"fnord")==5);
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assert(buf[5]=='x');
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buf[5]=0;
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assert(!strcmp(buf,"fnord"));
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assert(fmt_strm(buf,"Fn","0rd")==5);
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assert(!strcmp(buf,"Fn0rd"));
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}
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