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来个实例,大家看看
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. A. a2 l p- |7 k( d; f/ q- int obj_num = 10;% }2 _) }% V' ]* ]1 S N
- tag_t *object = NULL;
* F9 o2 j3 U+ w4 n+ n& d - object = (tag_t *) UF_allocate_memory( obj_num * sizeof(tag_t), &error );, F2 i, u& S0 ]7 I% o3 U
- object = (tag_t *) UF_reallocate_memory( object, (obj_num+1) * sizeof(tag_t), &error );
+ \, j. `! |8 U3 e4 j/ L - UF_free( object );
. J+ ?. C/ h, D, q1 e - char **strings = NULL;
7 M4 s) ~1 t( V6 M& | - strings = (char **) UF_allocate_memory( 10 * sizeof(char *), &error );0 L) ^0 D% M( t/ n9 S: L
- for ( i = 0; i < 10; i ++ )
f, m! S9 I4 J8 r- t - { strings[i] = NULL; ; Z- [( i- C1 {1 \" M8 C E
- strings[i] = (char *) UF_allocate_memory( 133 * sizeof(char), &error );2 E: h4 [7 {% `( t* U0 L3 B% I+ c
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- UF_free_string_array( 10, strings );
0 U( V7 o9 q3 x$ ^5 [" }5 X - double (*point_coords)[3];1 e& E2 |) y, [( \" N( W' T
- point_coords = (double (*)[3]) UF_allocate_memory( 10 * sizeof(double [3]), &error );
' s3 p) X1 d4 N ^# O5 J - Static void my_function ( int *num, tag_t **object )
( q2 i+ F! E) u# Z - {
( M! n* n7 b" ?4 ` - (*num) = 10;
6 b; l3 V- J3 X4 A- L6 w - (*object) = (tag_t *) UF_allocate_memory( (*num) * sizeof(tag_t), &error );" O' G; A" I% v$ r- O
- (*object)[0] = NULL_TAG;1 Z' X/ {4 }( U$ ^5 c! d9 a
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复制代码 typedef struct UF_CURVE_line_s { - d: X5 R$ N' }9 }$ f8 @) s
double start_point[3]; ( `4 n& I- k) w- D# c' S
double end_point[3]; ' D3 @) r7 d0 @$ _) s) N
} UF_CURVE_line_t, * UF_CURVE_line_p_t; * s% L6 S+ f1 s" G; F# c
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UF_CURVE_line_t my_line; 3 e* r1 F! I) l
my_line.start_point[0] = 0.0;
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UF_CURVE_line_t *my_line; 5 K8 x s4 ]1 ~8 O5 Q
my_line->start_point[0] = 0.0;
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UF_CURVE_line_p_t my_line; " j L2 z4 M9 i/ z
my_line->start_point[0] = 0.0;
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