/* x_help.c - x_help */ #include <conf.h> #include <kernel.h> #include <shell.h> #include <cmd.h> #define COLUMNS 4 /* number of columns to print */ /*------------------------------------------------------------------------ * x_help - (command help) print possible command names for user *------------------------------------------------------------------------ */ COMMAND x_help(stdin, stdout, stderr, nargs, args) int stdin, stdout, stderr, nargs; char *args[]; { int inc; /* command names per column */ int i; /* move through printed rows */ int j; /* move across printed columns */ if ( (inc=(Shl.shncmds+COLUMNS-1)/COLUMNS) <= 0) inc = 1; fprintf(stdout, "Commands are:\n"); for(i=0 ; i<inc && i<Shl.shncmds ; i++) { fprintf(stdout, " "); for (j=i ; j<Shl.shncmds ; j+=inc) fprintf(stdout, "%-16s", cmds[j].cmdnam); fprintf(stdout, "\n"); } return(OK); }