📄 cuserid.c
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#include <unistd.h>#include <stdio.h>#include <string.h>/* * BUG: supposed to be for effective uid, * but plan9 doesn't have that concept */char *cuserid(char *s){ char *logname; static char buf[L_cuserid]; if((logname = getlogin()) == NULL) return(NULL); if(s == 0) s = buf; strncpy(s, logname, sizeof buf); return(s);}
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