27 lines
432 B
C
27 lines
432 B
C
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/* show LONGJMP, SETJMP */
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#include <stdio.h>
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#include <setjmp.h>
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jmp_buf env;
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void rtn()
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{
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printf( "about to longjmp\n" );
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longjmp( env, 14 );
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}
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void main()
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{
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int ret_val;
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ret_val = 293;
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if( 0 == ( ret_val = setjmp( env ) ) ) {
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printf( "after setjmp %d\n", ret_val );
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rtn();
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printf( "back from rtn %d\n", ret_val );
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} else {
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printf( "back from longjmp %d\n", ret_val );
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}
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}
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