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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [string/] [strupr.c] - Rev 158
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/* FUNCTION <<strupr>>---force string to uppercase INDEX strupr ANSI_SYNOPSIS #include <string.h> char *strupr(char *<[a]>); TRAD_SYNOPSIS #include <string.h> char *strupr(<[a]>) char *<[a]>; DESCRIPTION <<strupr>> converts each character in the string at <[a]> to uppercase. RETURNS <<strupr>> returns its argument, <[a]>. PORTABILITY <<strupr>> is not widely portable. <<strupr>> requires no supporting OS subroutines. QUICKREF strupr */ #include <string.h> #include <ctype.h> char * strupr (a) char *a; { char *ret = a; while (*a != '\0') { if (islower (*a)) *a = toupper (*a); ++a; } return ret; }