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#include "user.h" int puts(char *s) { return cons_puts(s); } int puts1(char *s) { int i; for(i = 0; s[i]; i++) cons_putc(s[i]); return i; } char* strcpy(char *s, char *t) { char *os; os = s; while((*s++ = *t++) != 0) ; return os; }