1int main (int argc, char **argv, char **envp) 2{ 3 extern void dummy(); 4 dummy(); 5 return 0; 6 7} 8 9/* We put main() right up front so its line number doesn't keep changing. */ 10 11/* 12 * Test file with lots of different types, for testing the 13 * "whatis" command. 14 */ 15 16/* 17 * First the basic C types. 18 */ 19 20#if !defined (__STDC__) && !defined (_AIX) 21#define signed /**/ 22#endif 23 24char v_char; 25signed char v_signed_char; 26unsigned char v_unsigned_char; 27 28short v_short; 29signed short v_signed_short; 30unsigned short v_unsigned_short; 31 32int v_int; 33signed int v_signed_int; 34unsigned int v_unsigned_int; 35 36long v_long; 37signed long v_signed_long; 38unsigned long v_unsigned_long; 39 40float v_float; 41double v_double; 42/* 43 * Now some derived types, which are arrays, functions-returning, 44 * pointers, structures, unions, and enumerations. 45 */ 46 47/**** arrays *******/ 48 49char v_char_array[2]; 50signed char v_signed_char_array[2]; 51unsigned char v_unsigned_char_array[2]; 52 53short v_short_array[2]; 54signed short v_signed_short_array[2]; 55unsigned short v_unsigned_short_array[2]; 56 57int v_int_array[2]; 58signed int v_signed_int_array[2]; 59unsigned int v_unsigned_int_array[2]; 60 61long v_long_array[2]; 62signed long v_signed_long_array[2]; 63unsigned long v_unsigned_long_array[2]; 64 65float v_float_array[2]; 66double v_double_array[2]; 67 68/**** initialized array *******/ 69 70int v_int_array_init[2] = { 10, 20 }; 71 72/**** pointers *******/ 73 74char *v_char_pointer; 75signed char *v_signed_char_pointer; 76unsigned char *v_unsigned_char_pointer; 77 78short *v_short_pointer; 79signed short *v_signed_short_pointer; 80unsigned short *v_unsigned_short_pointer; 81 82int *v_int_pointer; 83signed int *v_signed_int_pointer; 84unsigned int *v_unsigned_int_pointer; 85 86long *v_long_pointer; 87signed long *v_signed_long_pointer; 88unsigned long *v_unsigned_long_pointer; 89 90float *v_float_pointer; 91double *v_double_pointer; 92 93/**** structs *******/ 94 95struct t_struct { 96 char v_char_member; 97 short v_short_member; 98 int v_int_member; 99 long v_long_member; 100 float v_float_member; 101 double v_double_member; 102} v_struct1; 103 104struct { 105 char v_char_member; 106 short v_short_member; 107 int v_int_member; 108 long v_long_member; 109 float v_float_member; 110 double v_double_member; 111} v_struct2; 112 113/**** unions *******/ 114 115union t_union { 116 char v_char_member; 117 short v_short_member; 118 int v_int_member; 119 long v_long_member; 120 float v_float_member; 121 double v_double_member; 122} v_union; 123 124union { 125 char v_char_member; 126 short v_short_member; 127 int v_int_member; 128 long v_long_member; 129 float v_float_member; 130 double v_double_member; 131} v_union2; 132 133/*** Functions returning type ********/ 134 135char v_char_func () { return(0); } 136signed char v_signed_char_func () { return (0); } 137unsigned char v_unsigned_char_func () { return (0); } 138 139short v_short_func () { return (0); } 140signed short v_signed_short_func () { return (0); } 141unsigned short v_unsigned_short_func () { return (0); } 142 143int v_int_func () { return (0); } 144signed int v_signed_int_func () { return (0); } 145unsigned int v_unsigned_int_func () { return (0); } 146 147long v_long_func () { return (0); } 148signed long v_signed_long_func () { return (0); } 149unsigned long v_unsigned_long_func () { return (0); } 150 151float v_float_func () { return (0.0); } 152double v_double_func () { return (0.0); } 153 154/**** Some misc more complicated things *******/ 155 156struct link { 157 struct link *next; 158#ifdef __STDC__ 159 struct link *(*linkfunc) (struct link *self, int flags); 160#else 161 struct link *(*linkfunc) (); 162#endif 163 struct t_struct stuff[1][2][3]; 164} *s_link; 165 166union tu_link { 167 struct link *next; 168#ifdef __STDC__ 169 struct link *(*linkfunc) (struct link *self, int flags); 170#else 171 struct link *(*linkfunc) (); 172#endif 173 struct t_struct stuff[1][2][3]; 174} u_link; 175 176/**** Enumerations *******/ 177 178enum colors {red, green, blue} color; 179enum cars {chevy, ford, porsche} clunker; 180 181struct t_struct *null_t_struct; 182 183void dummy() 184{ 185 /* Some linkers (e.g. on AIX) remove unreferenced variables, 186 so make sure to reference them. */ 187 v_char = 0; 188 v_signed_char = 1; 189 v_unsigned_char = 2; 190 191 v_short = 3; 192 v_signed_short = 4; 193 v_unsigned_short = 5; 194 195 v_int = 6; 196 v_signed_int = 7; 197 v_unsigned_int = 8; 198 199 v_long = 9; 200 v_signed_long = 10; 201 v_unsigned_long = 11; 202 203 v_float = 100.0; 204 v_double = 200.0; 205 v_char_array[0] = v_char; 206 v_signed_char_array[0] = v_signed_char; 207 v_unsigned_char_array[0] = v_unsigned_char; 208 209 v_short_array[0] = v_short; 210 v_signed_short_array[0] = v_signed_short; 211 v_unsigned_short_array[0] = v_unsigned_short; 212 213 v_int_array[0] = v_int; 214 v_signed_int_array[0] = v_signed_int; 215 v_unsigned_int_array[0] = v_unsigned_int; 216 217 v_long_array[0] = v_long; 218 v_signed_long_array[0] = v_signed_long; 219 v_unsigned_long_array[0] = v_unsigned_long; 220 221 v_float_array[0] = v_float; 222 v_double_array[0] = v_double; 223 v_char_pointer = &v_char; 224 v_signed_char_pointer = &v_signed_char; 225 v_unsigned_char_pointer = &v_unsigned_char; 226 227 v_short_pointer = &v_short; 228 v_signed_short_pointer = &v_signed_short; 229 v_unsigned_short_pointer = &v_unsigned_short; 230 231 v_int_pointer = &v_int; 232 v_signed_int_pointer = &v_signed_int; 233 v_unsigned_int_pointer = &v_unsigned_int; 234 235 v_long_pointer = &v_long; 236 v_signed_long_pointer = &v_signed_long; 237 v_unsigned_long_pointer = &v_unsigned_long; 238 239 v_float_pointer = &v_float; 240 v_double_pointer = &v_double; 241 242 color = red; 243 clunker = porsche; 244 245 u_link.next = s_link; 246 247 v_struct2.v_int_member = v_struct1.v_int_member; 248 v_union2.v_short_member = v_union.v_short_member; 249} 250