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-rw-r--r--src/setjmp/setjmp.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/setjmp/setjmp.c b/src/setjmp/setjmp.c
new file mode 100644
index 00000000..c578d2a9
--- /dev/null
+++ b/src/setjmp/setjmp.c
@@ -0,0 +1,32 @@
+#include <setjmp.h>
+
+int setjmp(jmp_buf env)
+{
+ extern int __setjmp(jmp_buf);
+ /*
+ RETURN(0, the environment has been saved by THIS())
+ RETURN(NONZERO, the environment has been restored by FUNCTION(longjmp))
+ */
+ return __setjmp(env);
+}
+
+/** save program state **/
+
+/***
+saves the current state of the calling environment
+in the TYPEDEF(jmp_buf) ARGUMENT(env).
+***/
+
+/* CONSTRAINT: entire controlling expression of a selection or iteration statement */
+/* CONSTRAINT: one operand of a relational or equality operator which is the entire controlling expression of a selction or iteration statement */
+/* CONSTRAINT: the operand of a unary ! as the entire controlling expression of a selection or iteration statement */
+/* CONSTRAINT: an entire expression statement */
+
+/*
+UNSPECIFIED(Whether THIS() is a macro or identifier with external linkage)
+UNDEFINED(A macro definition of THIS() is suppressed in order to access an actual function)
+UNDEFINED(A program defines an external identifier named LITERAL(setjmp))
+*/
+/*
+STDC(1)
+*/